As of my last update in September 2021, it is generally mandatory to link your Aadhaar (the unique identification number issued by the Indian government) with your PAN (Permanent Account Number) to file Income Tax Returns (ITR). Linking Aadhaar with PAN helps the Income Tax Department to verify your identity and prevent tax evasion.

However, if there have been any changes in the rules or policies since my last update, I recommend checking the latest guidelines and instructions provided by the Income Tax Department or consulting a tax professional for the most up-to-date information.

If linking Aadhaar with PAN remains a requirement, you can follow these steps to do so

1. Visit the Income Tax Department’s official website: https://www.incometaxindiaefiling.gov.in/
2. Look for the “Link Aadhaar” option on the website’s homepage.
3. Click on “Link Aadhaar” and a new page will open.
4. Enter your PAN, Aadhaar number, name as per Aadhaar, and other required details.
5. After entering the details, click on the “Link Aadhaar” button.
6. If the information provided matches the records, your Aadhaar will be successfully linked with your PAN.

If you are facing any specific difficulties or have unique circumstances preventing you from linking Aadhaar with PAN, I recommend reaching out to the Income Tax Department or consulting a tax professional for guidance and assistance in your specific situation